You’ll nearly always need to connect many tables if you want to extract anything useful out of data. A join clause in SQL joins columns from one or more tables into a new table, similar to a join operation in relational algebra.
In this article, let’s see how the joins work in SQL.
We are going to explore the following SQL Joins.
Also, I’m going…
In this tutorial, we are going to explore collective communication routines by going over two very important routines Scatter, and gather using the MPI library in Python, mpi4py.
What is Scattering in MPI?
A chosen root process sends data to all processes in a communicator in the MPI_Scatter method. MPI_Scatter is a group procedure that works similarly to MPI_Bcast. The main distinction between MPI_Bcast and MPI_Scatter is minor yet significant. …
As a definition, the data structure is a specific method of organizing data in a computer so that it may be used efficiently. We have seen Data Structures in this article earlier and have seen about Arrays, Queues, and Stack too.
In this article, we are going to see about the Collection Framework which enables us to implement some important Data Structures available on Java.
A Java collection is a grouping of…
The United States of America (USA), a growing superpower in the 1900s competing along with the Union of Soviet Socialist Republics (USSR) engaged in expanding its power in the Pacific Ocean. Unexpectedly, the First World War (WWI) began.
In this article, we will be seeing the followings that happened in series that ensured the presence of the USA in the Middle East.
There is always a common question in the minds of fresh graduates. “How to face an interview and secure the dreamed job?”. Experts all around the world are pushing varieties of answers and tips that can help the students.
Obviously, I’m not an expert at all, but with the experience I’ve got by facing multiple interviews, friends’ experiences, and some experts who directly mentored me, I would like to help my fellow students and fresh graduates with telling what actually the industry expects from us.
In this article, you can find what are the things you’re in and what are…
OpenCV is a programming function library primarily geared towards real-time computer vision. It was created by Intel and was subsequently sponsored by Willow Garage and Itseez. The library is cross-platform and free to use under the Apache 2 License, which is open source.
Usually, we would have seen many articles based on OpenCV and Python. In this article, let’s see how we can integrate OpenCV in NetBeans IDE so that we can make Digital Image Processing applications in Java.
Contents of this article
We have seen about the Graph Algorithms and have already discussed their Time Complexity in our previous article “Enhancing the Performance of Graph Algorithms — Part 1”.
A heap is a type of tree-based data structure that fulfills the heap property.
Heap Property: If Q is a child node of P, then key(P) ≥ key (Q). As a result, an element with the greatest key is always in the root node, and such a heap is sometimes referred to as a max-heap.
There is, of course, a min-heap. For a min-heap, the parent node will always lesser than the child…
We use various types of Data Structures according to the need we have. We are going to discuss Graphs and the way of optimizing the graphs as required for our problem definitions.
Pathfinding, often known as pathing, is the process of mapping the shortest route between two places using a computer application. It offers a more realistic approach to labyrinth solutions. This area of study is mainly reliant on a few techniques for determining the shortest path on graphs.
Pathfinding is closely connected to the shortest route issue in graph theory, which investigates how to locate the path between two locations in a big network that best fits certain criteria (shortest, cheapest, quickest, etc.).
Any pathfinding algorithm’s path is frequently confined to the grid edges, which appears unnatural. …
Most of the students are stressed. And this stress can have a negative impact on their health, wellbeing, and exam results.
It is always exciting while learning something new, when taking a course, you have the added pressure of needing to get a certain grade in order to pass. As a result, studying and completing assignments can be stressful. Learning also takes a lot of time, and it can be difficult to balance it with your other responsibilities in life.
Common sources of student stress include: